Cleveland Cable Company stocks a large range of 3.3KV (3300V) 3 core mains cable available in sizes 16mm to 400mm and manufactured to British Standard BS5467. The 3 core mains cable is a medium voltage power cable designed to be buried for installation. The cable can also be used indoors and outdoors and in cable ducting. The cable features stranded plain annealed copper conductors, an XLPE insulation, PVC bedding, galvanised steel wire armour and a black PVC outer sheath.